 /*******************************************************************************
  * Copyright (c) 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal.dialogs;

 import java.util.Set ;

 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.ui.IWorkingSet;

 public class WorkingSetFilter extends ViewerFilter {
         Set workingSetIds;
         
         public WorkingSetFilter(Set workingSetIds) {
             this.workingSetIds = workingSetIds;
         }
         
     public boolean select(Viewer viewer, Object parentElement, Object element) {
         if (element instanceof IWorkingSet) {
             IWorkingSet workingSet = (IWorkingSet) element;
             String id = workingSet.getId();
             //if (!workingSet.isVisible())
 // return false;
 if (workingSetIds != null && id != null) {
                 return workingSetIds.contains(id);
             }
         }
         return true;
     }
 }
